package applets.picker;

import shout3d.*;
import shout3d.core.*;


public class Picker2Panel extends Shout3DPanel implements DeviceObserver {

	Picker myPicker;
   Node[] pathToPick;


	public Picker2Panel(Shout3DApplet applet) {
		super(applet);
	}



    public void customInitialize() {

		myPicker = getNewPicker();
		addDeviceObserver(this, "MouseInput", null);
		getScene().setDEFName("ROOT");
	}


	protected void finalize() {
		this.removeDeviceObserver(this, "MouseInput");
	}

	public boolean onDeviceInput(DeviceInput di, Object userData) {
		MouseInput mi = (MouseInput) di;

		if (mi.which == MouseInput.DOWN){
			myPicker.setPickInfo(Picker.POINT, true);
			myPicker.setPickInfo(Picker.NORMAL, true);
			pathToPick = myPicker.pickClosest(mi.x,mi.y);

			//if nothing intersected
		   if (pathToPick==null) {
		   	System.out.println("");//blank line
		   	System.out.println("Nothing Intersected");
			}

			//if something intersected
		   else {

		   	System.out.println("");//blank line
		   	//get intersection point
		   	float [] point = myPicker.getPickInfo(Picker.POINT);
		   	//print out intersection point
		   	System.out.println(
			   	"Intersection point is (" +
			   	point[0] + ", " +
			   	point[1] + ", " +
			   	point[2] + ")"
				);

				//get normal at intersection point
		   	float [] normal = myPicker.getPickInfo(Picker.NORMAL);
		   	//print out normal
		   	System.out.println(
			   	"Normal vector at intersection point is (" +
			   	normal[0] + ", " +
			   	normal[1] + ", " +
			   	normal[2] + ")"
				);

				//print out path
				for (int i=0; i<pathToPick.length; i++) {
					System.out.println(pathToPick[i].getTypeName()+
						"  "  + pathToPick[i].getDEFName() );
				}
			}

			return true;
      }
		return false;
    }

}